Recessed mounted LED luminaire with surrounding frame for ceilings with cut-out openings. Direct only light distribution. Luminaire body made of aluminium. 7 different diameters from 220mm to 1250mm. Surface white, silver, graphite, black, champagne or copper coated. Further surface options see Lightnet-Surface-Collection or RAL of your choice. Microprismatic screen with optimized glare reduction especially for workplaces. Satin opal diffuser for general lighting with maximum transmittance and homogeneous lighting. Driver integrated into luminaire housing, optionally switchable or dimmable (1-10V, DALI, Touch-Dim). Colour temperatures 2200K, 2700K, 3000K, 3500K, 4000K or 6500K. Binning initial ≤ MacAdam 3. Colour rendering CRI>80 or CRI>90. Mounting brackets included. Installation in walls not possible. On request: Integration of emergency lighting components, sensor technology, Casambi.